A2. DISADVANTAGES OF POSITIVE WATERPROOFING

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A 1. Waterproofing positive side is inaccessible, it is difficult to inspect and correct, once applied.

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Can be necessary to remove tons of earth, destroy vegetation, etc.

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The entire procedure is very harmful and annoying.

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A 2. It is perfectly correct to use positive sealing in new construction but appears to be negative waterproofing only viable solution for any repair work.

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A 3. Positive possibly Waterproofing needs an additional concrete slab.

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A 4. You may also need assistance Meticulous and costly waterproofing details about the transition many

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5. Finally positive waterproofing may require costly measures of dehydration.

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A B. ADVANTAGES AND DISADVANTAGES OF WATERPROOFING negative side

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B1. Advantages

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A 1. The major advantage of negative waterproofing is accessibility. Often this solution is used by default because it's really impossible to carry out excavations.

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A 2. In case of failure of sealing, inspection and corrective measures are much easier.

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A 3. As is known, concrete waterproofing is the only way to go. There is a widespread knowledge and collective experience with concrete waterproofing systems.

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Most technicians are perfectly informed about them. Its application is relatively easy, if not cracked that can withstand high hydrostatic pressures.

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B2, A. Disadvantages of negative waterproofing

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A 1. Most products of cement-based waterproofing are prone to cracking because of its rigidity. For example substrate cracking due to settlement or excessive deformation of the cracks will appear in the waterproofing layer.

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A 2. Waterproofing negative left of concrete and steel reinforcement easy prey for the corrosive action of water and soil chemicals.

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A 3. It is difficult – although not impossible – to take action to support drainage.

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A 4. Many times before costly proofing measures should (please read the article on this website).

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A 5. The use of cement work presupposes meticulous and thorough preparation on the substrate. The curing process also must be impeccable.

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A 6. Finally, the fact that concrete waterproofing products are permeable water vapor can be a disadvantage in cases such as:

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A – problems of delamination of coatings floor

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– Excess internal relative humidity, inadequate for use for the specific space.

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Finalize

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Whenever possible use a good waterproofing.

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Waterproofing negative should be limited to cases where it is almost impossible to carry out excavations.

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Chris Strogilis

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Civ Eng – MBA – DipM

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href = "http://maconwaterproofing.blogspot.com"> http://maconwaterproofing.blogspot.com

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